<form method="post" action="" class="form layui-form {:request()->action()}" onsubmit="return false;">
  <input type="hidden" name="parent_id" value="{:input('parent_id',0)}">
  <table>
    <tr><td>区划名称：</td><td><textarea name="multi" class="textarea"></textarea></td></tr>
    <tr class="tip"><td></td><td>每一行代表一个行政区划</td></tr>
  </table>
</form>